Treatment of Early-Onset Specified and Unspecified Bipolar Disorders: A Systematic Review and Strategies for Identifying and Managing a Thermally Dysregulated Subtype in Children
Abstract
Introduction: Bipolar disorder (BD), characterized by extreme mood shifts between mania and depression, can manifest in childhood, and pose treatment challenges. Treatment for full-criteria BD I or II in children has been partially described in the literature, but major uncertainties exist regarding non-classic presentations, which were originally designated as bipolar "not otherwise specified" (BP-NOS) in DSM-IV and in DSM-5 and ICD-11 as either other specified or unspecified BD (S-USBD). This review aims to provide literature-based recommendations on the treatment of S-USBD, with a focus on a fear of harm (FOH) subtype, now termed temperature and sleep dysregulation disorder (TSDD).
Methods: A broad systematic literature review with AI assistance was conducted to identify all articles in PubMed providing data on the treatment of children with either atypical BD, BD-NOS, USBD, specified BD, rapid cycling BD, or a phenotype of BD.
Aims: Given the paucity of pharmacological treatment literature on any of the earliest forms of BD prior to their achieving a BP I or BP II diagnosis, it was felt that there was a critical need to review the existent literature on the earliest presentations and prodromes, which now fall under the rubric of specified (BD S-USBD). Here, the focus is on the prevalent BP-NOS subtype, which meets all the classical presentations of BP except for the brief durations of mania, and a more newly recognized form of S-USBD called TSDD.
Results: Eleven…
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